Home / 513,333.21-708,487.23-298,597.75

Finding the Fourth Proportional to 513,333.21, 708,487.23 and 298,597.75

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Solution

The fourth proportional to 513,333.21, 708,487.23 and 298,597.75 is: 412,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,333.21 : 708,487.23 = 298,597.75 : x
  2. Step 2: Convert to fraction form
    513,333.21/708,487.23 = 298,597.75/x
  3. Step 3: Cross multiply
    513,333.21x = 708,487.23 × 298,597.75
  4. Step 4: Simplify right side
    513,333.21x = 211,552,692,781.73
  5. Step 5: Solve for x
    x = 211,552,692,781.73/513,333.21
  6. Step 6: Final answer
    x = 412,115.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.